net.sf.saxon.type

## Class StringToDouble

- java.lang.Object
- - net.sf.saxon.type.StringToDouble

- All Implemented Interfaces:
    Serializable
  Direct Known Subclasses:
    StringToDouble11

      public class StringToDouble
      extends Object
      implements Serializable

  This class converts a string to an xs:double according to the rules in XML Schema 1.0
  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Modifier | Constructor and Description
    --- | ---
    `protected` | `StringToDouble()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static StringToDouble` | `getInstance()` Get the singleton instance
    `protected double` | `signedPositiveInfinity()`
    `double` | `stringToNumber(CharSequence s)` Convert a string to a double.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### StringToDouble

          protected StringToDouble()

  - ### Method Detail

    - #### getInstance

          public static StringToDouble getInstance()

      Get the singleton instance
      Returns:
        the singleton instance of this class

    - #### stringToNumber

          public double stringToNumber(CharSequence s)
                                throws NumberFormatException

      Convert a string to a double.
      Parameters:
        `s` - the String to be converted
      Returns:
        a double representing the value of the String
      Throws:
        `NumberFormatException` - if the value cannot be converted

    - #### signedPositiveInfinity

          protected double signedPositiveInfinity()

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